查询词典 tobacco leaf

The recombinant plasmid pBI121-VP6 was transformed into Agrobacterium tumefaciens strainLBA4404 by freeze-thawing method and the introduced into the sterile tube culture shoot of tobacco NC89 and baoding alfalfa by leaf disc infection method.

以冻融法将pBI121-VP6重组质粒导入根癌衣杆菌LBA4404，用叶盘法转化于NC89烟草和保定紫花苜蓿的无菌试管苗。

PHap1 was first transformed into Agrobacterium tumefaciens strain LBA4404 by electroporation first and then introduced into the sterile tube culture seedlings of different susceptible potato eultivars'Mira','Zhong-5-1'and'Jinguan', and tobacco cultivar NC89, respectively, by the leaf disc infection method.

以电激法将pHap1导入根癌农杆菌LBA4404，用叶盘法分别转化马铃薯青枯病感病品种米拉、中-5-1、金冠以及烟草感病品种NC89的无菌试管苗。

Effects of removal of the shoot apex and leaf wounding on nitrogen uptake and nicotine production were studied with tobacco plants grown in sand or hydroponic medium under the controlled conditions.

采用砂培和营养液培养方法，研究了在营养生长阶段切除顶芽和叶片损伤对烟株生长、体内烟碱浓度、氮浓度及吸氮量的影响。

Moreover, root cutting and potassium application seemed to increase tobacco yield, improve leaf quality and output value.

从产质量上看，采用断根追钾措施，有效提高了烤烟产值量，降低了上部烟叶烟碱含量，提高了烟叶含钾量，改善了烟叶的品质。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。